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Key Largo

$82+ Cheap flights from San Jose, CA (SJC) to Key Largo, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — MIA
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to Key Largo are usually found in January or February, booked 62 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from San Jose to Key Largo

Cheapest flights from San Jose to Key Largo
Explore the most affordable flight options available from San Jose to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:40 pmSJC - MIA
1 stop8h 20mDelta
Wed 1/76:45 amMIA - SJC
1 stop8h 41mDelta
Deal found 12/17$343
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:31 pmSJC - MIA
1 stop9h 00mDelta
Sat 1/105:50 amMIA - SJC
1 stop10h 06mDelta
Deal found 12/16$349
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:40 pmSJC - MIA
2 stops12h 48mDelta
Thu 1/85:50 amMIA - SJC
2 stops13h 30mDelta
Deal found 12/16$353
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:40 pmSJC - MIA
1 stop8h 20mDelta
Mon 1/125:50 amMIA - SJC
2 stops13h 30mDelta
Deal found 12/16$399
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:40 pmSJC - MIA
1 stop8h 20mDelta
Wed 1/75:50 amMIA - SJC
1 stop10h 06mDelta
Deal found 12/15$442

Find flight deals from San Jose to Key Largo

Keep the following information in mind while searching for San Jose to Key Largo flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$270
(eDestinos)

One-way from

$82
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$565
Provider with most accurate pricing for San Jose-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Miami flights.
Search Deals
From San Jose to Key Largo
Search Deals
One-way flight from San Jose to Key Largo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from San Jose to Key Largo that are best for you.

Fly from

San Jose

Fly to

Key Largo

Route

Depart

Return

Price

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Tue 2/24

7:15 am-5:24 pm

1 stop31h 09m

Miami

Tue 3/3

6:34 pm-10:55 am

1 stop19h 21m

$305

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Wed 2/25

2:20 pm-5:28 am

2 stops12h 08m

Miami

Tue 3/3

6:43 am-5:38 pm

2 stops13h 55m

$316

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Tue 1/6

6:20 am-5:35 pm

1 stop8h 15m

Miami

Thu 1/15

5:50 am-2:52 pm

2 stops12h 02m

$318

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Fri 1/9

8:05 pm-6:45 am

1 stop7h 40m

Miami

Sat 1/17

7:15 am-12:56 pm

1 stop8h 41m

$319

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Sat 1/10

2:06 pm-12:51 am

1 stop7h 45m

Miami

Sat 1/17

8:00 am-3:07 pm

1 stop10h 07m

$319

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Wed 2/11

4:59 pm-5:28 am

1 stop9h 29m

Miami

Wed 2/18

6:34 pm-10:55 am

1 stop19h 21m

$327

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Wed 2/11

4:59 pm-5:28 am

1 stop9h 29m

Miami

Tue 2/17

6:34 pm-10:55 am

1 stop19h 21m

$327

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Fri 1/9

2:30 pm-6:45 am

2 stops13h 15m

Miami

Tue 1/13

1:21 pm-9:20 pm

1 stop10h 59m

$332

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Thu 1/8

2:30 pm-6:45 am

2 stops13h 15m

Miami

Fri 1/16

7:15 am-12:56 pm

1 stop8h 41m

$332

San JoseMiami

SJC - MIA

SJCMIA

San Jose

Fri 2/6

2:25 pm-6:40 am

2 stops13h 15m

Miami

Sun 2/15

7:50 am-12:52 pm

1 stop8h 02m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results
1
2

Best time to book a flight from San Jose to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from San Jose with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Key Largo

How far ahead should I book a flight from San Jose, California to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Key Largo. Price data was last updated on December 12, 2025.

The best time to book flights from San Jose, California to Key Largo is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Jose, California to Key Largo?

Currently, May is the cheapest month in which you can book a flight from San Jose, California to Key Largo (average of $98). Flying from San Jose, California to Key Largo in April is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJC to KE9?

Find hourly flight availability from San Jose to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

A simple way to save on the total cost of your ticket is to fly from San Jose, California to Key Largo at noon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from San Jose, California to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Jose, California to Key Largo flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated December 17, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from San Jose to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Spirit Airlines
6.3
Okay
8,186 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,082 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Jose to Key Largo?

    Located just 2.9 mi from the city center, San Jose is the airport most travelers will use when flying to Key Largo from San Jose. Booking flights from San Jose (SJC) to Key Largo should be relatively easy as there are 0 daily outbound flights to Key Largo from 8 different airlines.

  • How long is the flight from San Jose, California to Key Largo?

    For as low as $305, Delta can have you in Key Largo from San Jose, California in 31h 09m. Airlines will cover a distance of 2553 mi.

  • What are the cheapest airlines to fly from San Jose, California to Key Largo one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $93 and $119 on JetBlue and Frontier, respectively.

  • Can I find deals for flights from San Jose to Key Largo that include hotel bookings?

    Yes. In addition to deals on San Jose to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Key Largo.

  • Can I find deals for business class flights from San Jose to Key Largo?

    Yes. Cheapflights offers flight deals from San Jose to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose, California to Key Largo?

    Currently, May is the cheapest month in which you can book a flight from San Jose, California to Key Largo (average of $98). Flying from San Jose, California to Key Largo in April is currently the most expensive (average of $179). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 8 airlines flying from San Jose to Key Largo

Discover the top 8 airlines that operate flights from San Jose to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$129Average$318FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$156Average$322FlexibilityNo cancel feeOn-time65%
FrontierCheapest$168Average$198FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$171Average$499FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$479FlexibilityNo cancel feeOn-time69%
DeltaCheapest$292Average$419FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$350Average$563FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$440Average$732FlexibilityNo cancel feeOn-time75%

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